WINDSOR, N.C. (WAVY) — An investigation is underway following a hostage situation at the Bertie-Martin Regional Jail Monday morning. According to the North Carolina State Bureau of Investigations, around 5 a.m., the inmates overpowered correctional staff and seized control of the facility, prompting an immediate response from local, state and federal authorities. The inmates assaulted on-duty guards and gained control of portions of the building.